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Table 1

Neoplasias from class chondrichthyes in the collection of the Registry of Tumors in Lower Animals (RTLA) and/or in the literature

SpeciesRTLA no.LocationDiagnosisRef. no.
Order Chimaeriformes (chimaeras)     
 Family Chimaeridae (ratfish)     
  Spotted ratfish, Hydrolagus colliei 416 Puget Sound, WA Myxosarcoma  19  
  Spotted ratfish, Hydrolagus colliei 3409 Vancouver Island, British Columbia, Canada Olfactory neuroblastoma  
Order Lamniformes (mackerel sharks)     
 Family Odontospididae (sand tiger sharks)     
  Sand tiger shark, Carcharias taurus 3797 New England Aquarium, Boston, MA Chromaffinoma  
  Sand tiger shark, Carcharias taurus 6434 Sea World of Florida, Orlando, FL Mucoepidermoid papilloma of the maxillary gingiva  61  
Order Orectolobiformes (carpet sharks)     
 Family Ginglymostomatidae (nurse sharks)     
  Tawny nurse shark, Nebrius ferrugineus  Oceanaáio de Lisboa, Lisbon, Portugal Osteoma  62  
Order Carcharhiniformes (ground sharks)     
 Family Carcharhinidae (requiem sharks)     
  Blacktip shark, Carcharhinus limbatus 5950 Mirage Hotel aquarium, Las Vegas, NV Cutaneous fibrosarcoma  
  Blue shark, Prionace glauca*  Black Sea Hepatocellular carcinoma 11, 12 
  Blue shark, Prionace glauca 7300 Off Montauk Point, Long Island, NY Cholangiocarcinoma; mesothelioma  21  
  Bull shark, Carcharhinus leucas 212 Mote Marine Laboratory, Sarasota, FL Cutaneous fibroma  18  
  Sandbar shark, Carcharhinus plumbeus 523 Gulf of Mexico, Sarasota, FL Lymphoma, metastatic adenocarcinomas (unknown primary) 16, 17 
  Tiger shark, Galeocerdo cuvier 6887 Pacific Ocean, HI Cutaneous fibroma  
 Family Scyliorhinidae (cat sharks)     
  Nursehound, Scyliorhinus stellaris§   Enteric adenoma/carcinoma  63  
  Nursehound, Scyliorhinus stellaris§   Cutaneous odontoma  64  
  Cat shark, Scyliorhinus catulus   Cutaneous epithelioma  15  
  Small-spotted cat shark, Scyliorhinus canicula   Cutaneous osteoma  65  
  Small-spotted cat shark, Scyliorhinus canicula   Cutaneous chondroma  65  
  Swell shark, Cephaloscyllium ventriosum 5207  Hypodermal lipoma  
  Swell shark, Cephaloscyllium ventriosum  Florida Aquarium Hepatic capsular fibroma  66  
 Family Triakidae (houndsharks)     
  Dusky smooth-hound, Mustelus canis 4464 Atlantic Ocean off Cape Hatteras, NC Epidermal papilloma  67  
Order Squaliformes (dogfish sharks)     
 Family Squalidae (dogfish sharks)     
  Longnose spurdog Squalus blainvillei 938 Duck Cove, New Zealand Neurofibroma  68  
  Spiny dogfish, Squalus acanthias 1221 Frenchman’s Cove, ME Choroid plexus papilloma  20  
  Spiny dogfish, Squalus acanthias 3144 North Atlantic Ocean Chondroma, vertebral  
  Spiny dogfish, Squalus acanthias 3172 North Atlantic Ocean Renal carcinoma  
  Spiny dogfish, Squalus acanthias   Fibroepithelial lip polyp  15  
  Spiny dogfish, Squalus acanthias  Pacific coast, Canada Thyroid carcinoma  13  
  Shortspine spurdog, Squalus mitsukurii   Chondroma of lumbar vertebrae  69  
Order Rajiformes (skates)     
 Family Rajidae (skates)     
  Gray skate, Dipturus batis**  Rathlin-a-Milley, Ireland Cutaneous melanoma, invasive  23  
  Gray skate, Dipturus batis**  County Kerry, Ireland Cutaneous melanoma  24  
  Gray skate, Dipturus batis**  Dubh Artach Light, Scotland Cutaneous melanoma, metastatic  24  
  Gray skate, Dipturus batis††  Plymouth, United Kingdom Cutaneous fibrosarcoma  15  
  Thornback skate, Raja clavata 4738 Thames River estuary, United Kingdom Epidermal papilloma  70  
  Thornback skate, Raja clavata   Cutaneous melanoma, invasive  25  
  Thornback skate, Raja clavata  Port Erin Bay, Ireland Cutaneous melanoma, invasive  26  
  Thornback skate, Raja clavata  Fleetwood, United Kingdom Cutaneous melanoma, metastatic  24  
  Thornback skate, Raja clavata   Cutaneous fibroma  24  
  Thornback skate, Raja clavata   Fibroma  10  
  Thornback skate, Raja clavata   Cutaneous myxofibroma  24  
  Thorny skate, Amblyraja radiata 636 North Atlantic Ocean Seminoma  71  
  Twineye skate, Raja miratelus   Cutaneous hemangioma  22  
Order Myliobatiformes (stingrays)     
 Family Dasyatidae (whiptail stingrays)     
  Red stingray, Dasyatis akajei 1851 Uneo Zoo Aquarium, Tokyo, Japan Hepatocellular adenoma‡‡ 71, 72 
  Stingray (species unknown) 6251 St. Lucie River System, FL Melanocytic nevus  
  Stingray, Dasyatis sp.   Subcutaneous fibrous hemangioma  73  
SpeciesRTLA no.LocationDiagnosisRef. no.
Order Chimaeriformes (chimaeras)     
 Family Chimaeridae (ratfish)     
  Spotted ratfish, Hydrolagus colliei 416 Puget Sound, WA Myxosarcoma  19  
  Spotted ratfish, Hydrolagus colliei 3409 Vancouver Island, British Columbia, Canada Olfactory neuroblastoma  
Order Lamniformes (mackerel sharks)     
 Family Odontospididae (sand tiger sharks)     
  Sand tiger shark, Carcharias taurus 3797 New England Aquarium, Boston, MA Chromaffinoma  
  Sand tiger shark, Carcharias taurus 6434 Sea World of Florida, Orlando, FL Mucoepidermoid papilloma of the maxillary gingiva  61  
Order Orectolobiformes (carpet sharks)     
 Family Ginglymostomatidae (nurse sharks)     
  Tawny nurse shark, Nebrius ferrugineus  Oceanaáio de Lisboa, Lisbon, Portugal Osteoma  62  
Order Carcharhiniformes (ground sharks)     
 Family Carcharhinidae (requiem sharks)     
  Blacktip shark, Carcharhinus limbatus 5950 Mirage Hotel aquarium, Las Vegas, NV Cutaneous fibrosarcoma  
  Blue shark, Prionace glauca*  Black Sea Hepatocellular carcinoma 11, 12 
  Blue shark, Prionace glauca 7300 Off Montauk Point, Long Island, NY Cholangiocarcinoma; mesothelioma  21  
  Bull shark, Carcharhinus leucas 212 Mote Marine Laboratory, Sarasota, FL Cutaneous fibroma  18  
  Sandbar shark, Carcharhinus plumbeus 523 Gulf of Mexico, Sarasota, FL Lymphoma, metastatic adenocarcinomas (unknown primary) 16, 17 
  Tiger shark, Galeocerdo cuvier 6887 Pacific Ocean, HI Cutaneous fibroma  
 Family Scyliorhinidae (cat sharks)     
  Nursehound, Scyliorhinus stellaris§   Enteric adenoma/carcinoma  63  
  Nursehound, Scyliorhinus stellaris§   Cutaneous odontoma  64  
  Cat shark, Scyliorhinus catulus   Cutaneous epithelioma  15  
  Small-spotted cat shark, Scyliorhinus canicula   Cutaneous osteoma  65  
  Small-spotted cat shark, Scyliorhinus canicula   Cutaneous chondroma  65  
  Swell shark, Cephaloscyllium ventriosum 5207  Hypodermal lipoma  
  Swell shark, Cephaloscyllium ventriosum  Florida Aquarium Hepatic capsular fibroma  66  
 Family Triakidae (houndsharks)     
  Dusky smooth-hound, Mustelus canis 4464 Atlantic Ocean off Cape Hatteras, NC Epidermal papilloma  67  
Order Squaliformes (dogfish sharks)     
 Family Squalidae (dogfish sharks)     
  Longnose spurdog Squalus blainvillei 938 Duck Cove, New Zealand Neurofibroma  68  
  Spiny dogfish, Squalus acanthias 1221 Frenchman’s Cove, ME Choroid plexus papilloma  20  
  Spiny dogfish, Squalus acanthias 3144 North Atlantic Ocean Chondroma, vertebral  
  Spiny dogfish, Squalus acanthias 3172 North Atlantic Ocean Renal carcinoma  
  Spiny dogfish, Squalus acanthias   Fibroepithelial lip polyp  15  
  Spiny dogfish, Squalus acanthias  Pacific coast, Canada Thyroid carcinoma  13  
  Shortspine spurdog, Squalus mitsukurii   Chondroma of lumbar vertebrae  69  
Order Rajiformes (skates)     
 Family Rajidae (skates)     
  Gray skate, Dipturus batis**  Rathlin-a-Milley, Ireland Cutaneous melanoma, invasive  23  
  Gray skate, Dipturus batis**  County Kerry, Ireland Cutaneous melanoma  24  
  Gray skate, Dipturus batis**  Dubh Artach Light, Scotland Cutaneous melanoma, metastatic  24  
  Gray skate, Dipturus batis††  Plymouth, United Kingdom Cutaneous fibrosarcoma  15  
  Thornback skate, Raja clavata 4738 Thames River estuary, United Kingdom Epidermal papilloma  70  
  Thornback skate, Raja clavata   Cutaneous melanoma, invasive  25  
  Thornback skate, Raja clavata  Port Erin Bay, Ireland Cutaneous melanoma, invasive  26  
  Thornback skate, Raja clavata  Fleetwood, United Kingdom Cutaneous melanoma, metastatic  24  
  Thornback skate, Raja clavata   Cutaneous fibroma  24  
  Thornback skate, Raja clavata   Fibroma  10  
  Thornback skate, Raja clavata   Cutaneous myxofibroma  24  
  Thorny skate, Amblyraja radiata 636 North Atlantic Ocean Seminoma  71  
  Twineye skate, Raja miratelus   Cutaneous hemangioma  22  
Order Myliobatiformes (stingrays)     
 Family Dasyatidae (whiptail stingrays)     
  Red stingray, Dasyatis akajei 1851 Uneo Zoo Aquarium, Tokyo, Japan Hepatocellular adenoma‡‡ 71, 72 
  Stingray (species unknown) 6251 St. Lucie River System, FL Melanocytic nevus  
  Stingray, Dasyatis sp.   Subcutaneous fibrous hemangioma  73  
*

The common and scientific names have been updated (originally cited as sand shark, Prionace glaucus).

Although the original publication documents an adenoma, subsequent reanalysis suggests that the lesion was actually a hepatocellular carcinoma as evidenced by the invasive margins. (J. Harshbarger and G.K. Ostrander, unpublished data.)

The original report of this neoplasm (16) was of a reticulum cell sarcoma in a brown shark (Carcharinus milberti). The species name, common name and diagnosis were subsequently revised (17) as indicated.

§

Originally reported as Scyllium catulus.

The original report incorrectly listed this individual as a spiny dogfish, Squalus acanthias.

Originally reported as Squalus sucklii.

**

Formerly known as the blue skate.

††

Orginally reported as a blue skate, Raia macrorhynchus.

‡‡

Originally reported as hepatocytic adenoma.

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